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1309980-79-7

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1309980-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309980-79-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,9,8 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1309980-79:
(9*1)+(8*3)+(7*0)+(6*9)+(5*9)+(4*8)+(3*0)+(2*7)+(1*9)=187
187 % 10 = 7
So 1309980-79-7 is a valid CAS Registry Number.

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